Dockerfile

# Use Node.js image to build the React app
FROM node:18-alpine AS build

# Set working directory
WORKDIR /app

# Copy package.json and package-lock.json
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy the rest of the application
COPY . .

# Build the React app
RUN npm run build

# Use an Nginx image to serve the built files
FROM nginx:alpine

# Set working directory for Nginx
WORKDIR /usr/share/nginx/html

# Remove default Nginx static files
RUN rm -rf ./*

# Copy built files from previous stage
COPY --from=build /app/build ./

# Copy a custom Nginx configuration file
COPY nginx.conf /etc/nginx/nginx.conf

# Expose port 8080 for GCP
EXPOSE 8080

# Start Nginx
CMD ["nginx", "-g", "daemon off;"]